Home / 26,718.55-40,022.38-13,543.19

Finding the Fourth Proportional to 26,718.55, 40,022.38 and 13,543.19

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Solution

The fourth proportional to 26,718.55, 40,022.38 and 13,543.19 is: 20,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.55 : 40,022.38 = 13,543.19 : x
  2. Step 2: Convert to fraction form
    26,718.55/40,022.38 = 13,543.19/x
  3. Step 3: Cross multiply
    26,718.55x = 40,022.38 × 13,543.19
  4. Step 4: Simplify right side
    26,718.55x = 542,030,696.59
  5. Step 5: Solve for x
    x = 542,030,696.59/26,718.55
  6. Step 6: Final answer
    x = 20,286.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.